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| 90° Angle | U Channel |
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| T Bar | Hat Channel |
Outside Height Outside Height |
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Inside Width Inside Width |
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Inside Height Inside Height |
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Yield Strength Yield Strength |
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Certificate Certificate |
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 | Material Certificate with Traceable Lot Number |
Hardness Hardness |
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Finish Finish |
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About Carbon Steel, Alloy Steel, Spring Steel, and Cast Iron
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Low-Carbon Steel 90° Angles
- Yield Strength: 36,000 psi
- Hardness: Not Rated (Medium)
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Not Rated
- Specifications Met: ASTM A36
Also known as mild steel, low-carbon steel is easy to machine, form, and weld. It's widely fabricated into parts that don’t require high strength, such as fixture clamps, mounting plates, and spacers. This material can be surface hardened with heat treating.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ACTIVITY after your order ships.
Outside | Inside | |||||||
|---|---|---|---|---|---|---|---|---|
| Ht. | Wd. | Ht. | Wd. | Outside Corner Shape | 1 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
1/8" Wall Thick. | ||||||||
| 1/2" | 1/2" | 3/8" | 3/8" | Round | 00000000 | |||
| 3/4" | 3/4" | 5/8" | 5/8" | Round | 00000000 | |||
| 1" | 1" | 7/8" | 7/8" | Round | 00000000 | |||
| 1 1/4" | 1 1/4" | 1 1/8" | 1 1/8" | Round | 00000000 | |||
| 1 1/2" | 1 1/2" | 1 3/8" | 1 3/8" | Round | 00000000 | |||
| 1 3/4" | 1 3/4" | 1 5/8" | 1 5/8" | Round | 0000000 | |||
| 2" | 1 1/2" | 1 7/8" | 1 3/8" | Round | 0000000 | |||
| 2" | 2" | 1 7/8" | 1 7/8" | Round | 00000000 | |||
3/16" Wall Thick. | ||||||||
| 1" | 1" | 13/16" | 13/16" | Round | 00000000 | |||
| 1 1/4" | 1 1/4" | 1 1/16" | 1 1/16" | Round | 0000000 | |||
| 1 1/2" | 1 1/2" | 1 5/16" | 1 5/16" | Round | 00000000 | |||
| 1 3/4" | 1 3/4" | 1 9/16" | 1 9/16" | Round | 00000000 | |||
| 2" | 1 1/2" | 1 13/16" | 1 5/16" | Round | 0000000 | |||
| 2" | 2" | 1 13/16" | 1 13/16" | Round | 00000000 | |||
| 2 1/2" | 2 1/2" | 2 5/16" | 2 5/16" | Round | 00000000 | |||
| 3" | 2" | 2 13/16" | 1 13/16" | Round | 000000 | |||
| 3" | 3" | 2 13/16" | 2 13/16" | Round | 00000000 | |||
1/4" Wall Thick. | ||||||||
| 1" | 1" | 3/4" | 3/4" | Round | 00000000 | |||
| 1 1/4" | 1 1/4" | 1" | 1" | Round | 0000000 | |||
| 1 1/2" | 1 1/2" | 1 1/4" | 1 1/4" | Round | 00000000 | |||
| 1 3/4" | 1 3/4" | 1 1/2" | 1 1/2" | Round | 0000000 | |||
| 2" | 1 1/2" | 1 3/4" | 1 1/4" | Round | 0000000 | |||
| 2" | 2" | 1 3/4" | 1 3/4" | Round | 00000000 | |||
| 2 1/2" | 1 1/2" | 2 1/4" | 1 1/4" | Round | 0000000 | |||
| 2 1/2" | 2" | 2 1/4" | 1 3/4" | Round | 000000 | |||
| 2 1/2" | 2 1/2" | 2 1/4" | 2 1/4" | Round | 00000000 | |||
| 3" | 2" | 2 3/4" | 1 3/4" | Round | 0000000 | |||
| 3" | 2 1/2" | 2 3/4" | 2 1/4" | Round | 0000000 | |||
| 3" | 3" | 2 3/4" | 2 3/4" | Round | 00000000 | |||
| 3 1/2" | 3 1/2" | 3 1/4" | 3 1/4" | Round | 0000000 | |||
| 4" | 3" | 3 3/4" | 2 3/4" | Round | 0000000 | |||
| 4" | 4" | 3 3/4" | 3 3/4" | Round | 00000000 | |||
| 5" | 3" | 4 3/4" | 2 3/4" | Round | 0000000 | |||
3/8" Wall Thick. | ||||||||
| 2" | 2" | 1 5/8" | 1 5/8" | Round | 0000000 | |||
| 2 1/2" | 2 1/2" | 2 1/8" | 2 1/8" | Round | 0000000 | |||
| 3" | 2" | 2 5/8" | 1 5/8" | Round | 0000000 | |||
| 3" | 3" | 2 5/8" | 2 5/8" | Round | 0000000 | |||
| 4" | 3" | 3 5/8" | 2 5/8" | Round | 0000000 | |||
| 4" | 4" | 3 5/8" | 3 5/8" | Round | 0000000 | |||
| 5" | 3" | 4 5/8" | 2 5/8" | Round | 0000000 | |||
| 5" | 5" | 4 5/8" | 4 5/8" | Round | 000000 | |||
| 6" | 4" | 5 5/8" | 3 5/8" | Round | 0000000 | |||
1/2" Wall Thick. | ||||||||
| 2 1/2" | 2 1/2" | 2" | 2" | Round | 0000000 | |||
| 3" | 3" | 2 1/2" | 2 1/2" | Round | 0000000 | |||
| 4" | 4" | 3 1/2" | 3 1/2" | Round | 0000000 | |||
| 5" | 3" | 4 1/2" | 2 1/2" | Round | 0000000 | |||
| 5" | 5" | 4 1/2" | 4 1/2" | Round | 0000000 | |||
| 6" | 6" | 5 1/2" | 5 1/2" | Round | 0000000 | |||
Zinc-Galvanized Low-Carbon Steel 90° Angles
- Yield Strength: 36,000 psi
- Hardness: Rockwell B70 (Medium)
- Heat Treatable: No
- Specifications Met: ASTM A36
These 90° angles are zinc galvanized for good corrosion resistance. Also known as mild steel, low-carbon steel is easy to machine, form, and weld. It's widely fabricated into parts that don’t require high strength, such as fixture clamps and spacers.
For technical drawings and 3-D models, click on a part number.
Outside | Inside | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Ht. | Ht. Tolerance | Wd. | Wd. Tolerance | Ht. | Wd. | 1 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
1/8" Wall Thick. (-0.008" to 0.008" Tolerance) | |||||||||
| 3/4" | -0.032" to 0.032" | 3/4" | -0.032" to 0.032" | 5/8" | 5/8" | 0000000 | |||
| 1" | -0.032" to 0.032" | 1" | -0.032" to 0.032" | 7/8" | 7/8" | 0000000 | |||
| 1 1/4" | -0.05" to 0.05" | 1 1/4" | -0.05" to 0.05" | 1 1/8" | 1 1/8" | 0000000 | |||
| 1 1/2" | -1/8" to 1/8" | 1 1/2" | -1/8" to 1/8" | 1 3/8" | 1 3/8" | 0000000 | |||
| 2" | -1/8" to 1/8" | 2" | -1/8" to 1/8" | 1 7/8" | 1 7/8" | 0000000 | |||
3/16" Wall Thick. (-0.008" to 0.008" Tolerance) | |||||||||
| 2" | -0.05" to 0.05" | 2" | -0.05" to 0.05" | 1 13/16" | 1 13/16" | 0000000 | |||
1/4" Wall Thick. (-0.008" to 0.008" Tolerance) | |||||||||
| 1 1/2" | -1/8" to 1/8" | 1 1/2" | -1/8" to 1/8" | 1 1/4" | 1 1/4" | 0000000 | |||
| 2" | -1/8" to 1/8" | 2" | -1/8" to 1/8" | 1 3/4" | 1 3/4" | 0000000 | |||
| 3" | -1/8" to 1/8" | 3" | -1/8" to 1/8" | 2 3/4" | 2 3/4" | 0000000 | |||
Low-Carbon Steel U-Channels
- Yield Strength: 36,000 psi
- Hardness: Not Rated (Medium)
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Not Rated
- Specifications Met: ASTM A36
Also known as mild steel, low-carbon steel is easy to machine, form, and weld. It's widely fabricated into parts that don’t require high strength, such as fixture clamps, mounting plates, and spacers. This material can be surface hardened with heat treating.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ACTIVITY after your order ships.
Outside | Inside | Corner Shape | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Ht. | Ht. Tolerance | Wd. | Ht. | Wd. | Outside | Inside | 1 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
1/8" Wall Thick. (-0.01" to 0.01" Tolerance) | ||||||||||
| 3/8" | -0.063" to 0.063" | 3/4" | 1/4" | 1/2" | Square | Round | 0000000 | |||
| 1/2" | -0.063" to 0.063" | 1" | 3/8" | 3/4" | Square | Round | 0000000 | |||
| 3/4" | -0.063" to 0.063" | 1 1/2" | 5/8" | 1 1/4" | Square | Round | 0000000 | |||
| 1" | -0.063" to 0.063" | 2" | 7/8" | 1 3/4" | Square | Round | 0000000 | |||
3/16" Wall Thick. (-0.015" to 0.015" Tolerance) | ||||||||||
| 1" | -0.063" to 0.063" | 2" | 13/16" | 1 5/8" | Square | Round | 0000000 | |||
1/4" Wall Thick. (-0.02" to 0.02" Tolerance) | ||||||||||
| 5/8" | -0.063" to 0.063" | 2" | 3/8" | 1 1/2" | Square | Round | 0000000 | |||
0.273" Wall Thick. (-0.01" to 0.01" Tolerance) | ||||||||||
| 1.41" | -1/8" to 1/8" | 3" | 1.24" | 2.454" | Square | Round | 0000000 | |||
0.296" Wall Thick. (-0.015" to 0.015" Tolerance) | ||||||||||
| 1.584" | -1/8" to 1/8" | 4" | 1.4" | 3.408" | Square | Round | 0000000 | |||
0.32" Wall Thick. (-0.02" to 0.02" Tolerance) | ||||||||||
| 1 3/4" | -1/8" to 1/8" | 5" | 1.56" | 4.36" | Square | Round | 0000000 | |||
0.343" Wall Thick. (-0.02" to 0.02" Tolerance) | ||||||||||
| 1.92" | -1/8" to 1/8" | 6" | 1.72" | 5.314" | Square | Round | 0000000 | |||
Low-Carbon Steel T-Bars
- Yield Strength: 36,000 psi
- Hardness: Rockwell B65 (Medium)
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Not Rated
- Specifications Met: ASTM A36
Also known as mild steel, low-carbon steel is easy to machine, form, and weld. It's widely fabricated into parts that don’t require high strength, such as fixture clamps, mounting plates, and spacers. This material can be surface hardened with heat treating.
Certificates with a traceable lot number are available for these products. Download certificates from ACTIVITY after your order ships.
Steel Hat Channel
In addition to creating space inside walls or ceilings—to prevent dampness or make room for insulation—these channels can also be used to level or resurface them. Their hat-like shape and flanges make them easy to mount on surfaces. Made of galvanized steel, all resist corrosion in damp environments.